Dog' Sudoku Medium Expert Our "Dog' SUDOKU(R)" line of interactive games is an innovative approach to idea of pet's enrichment products developed and patented by My Intelligent Pets(R). The game comes in various sizes appropriate for your dog (Small, Medium and Large) and at three levels of difficulty (Basic - 4 fields, Advanced - 6 fields, Expert - 9 fields and Genie - 16 fields). In the Medium Expert edition of Dog' SUDOKU(R) the dog slides 8 wooden tiles placed over 9 fields where the treats has been hidden. How to Play: 1. Hide the treats in the indentations underneath the tiles. 2. Encourage your dog to find the treats by moving the tiles. 3. Praise the dog every time it has moved a tile and found a treat. Only use dry treats that fit into the indentations. Reduce the number of snacks that your dog receives wile solving the puzzle from its total daily ration to keep his overall weight balance. Tip: Allow the dog to watch as you hide the treats in the game to stimulate its curiosity. By being patient, showing it how the game works and giving it encouragement, you can ensure your dog will enjoy playing the game with you and will solve the puzzle. Never let your dog play unsupervised, and intervene if it starts to chew on movable pieces of the game. Regularly check the board for any damage such as splinters and nicks. Clean by wiping with a damp cloth. Do not use abrasive cleaners. Additional information: Dimensions: 12"x12"x2" Weight: 5 lb All our games and puzzles are made from certified wood covered with water-based varnish that is not harmful to humans and animals. Please keep the game dry and free of water exposure, as the wooden pieces may swell otherwise. Use only dry treats for playing with our games Keep out of reach of small children since removable parts can be a choking hazard to them.